baber/WOPTO huggingface dataset:
Patent GB-2016900-A (GB)
Title: Concentrated food product
IPC: A23L23/10
Filed: 1979-02-27
Abstract: A concentrated food product, particularly a concentrated soup product, which is biologically stable without requiring extensive heat treatment but which is readily dilutable with water for consumption, comprises discrete food particles, flavoring, sufficient water to provide a total moisture content within the range of 45%-55% and water- soluble solids, especially salt, sufficient to provide a water activity below 0.85. The product is intended to be diluted with water, suitably with from 9 to 18 times its weight of water, prior to consumption.
Patent GB-2019448-A (GB)
Title: Stop-Motion Device for Knitting-Machines
IPC: D04B35/18
Filed: 1979-04-05
Abstract: A knitting machine 2 has a device for stopping the machine in the event of a detection of a faulty knitting needle by means of a needle monitoring transmitter 1 for generating a signal when a faulty needle is encountered. The stopping device includes a halt logic 4 which has a first input 3 for the fault signals from the transmitter 1 and a second input 6 for revolution signals from a revolution pulse switch 5. A first output 7 of the halt logic 4 serves for onward transmission of the first or second fault signal occurring after the revolution signal. The output 7 is connected selectively either directly or by way of a timing element 10 to a starter switch 11 for changing to a slow speed drive. A second output 8 of the halt logic 4 serves for onward transmission of the fault signal occurring again after a renewed revolution signal and is connected to a stop motion circuit 13. <IMAGE>
Patent GB-2019644-A (GB)
Title: Producing epitaxial layers
IPC: H01L21/205
Filed: 1979-04-18
Abstract: Autodoping of an epitaxial layer during vapour phase deposition is reduced by removing part of an initially deposited layer 1 by gas etching before depositing the high resistivity layer 2. An initial gas etching step cleans the upper face 6 of substance 3 and simultaneously covers the lower face 7 with a semiconductor layer 8 by a transport reaction utilising as source a layer of the semiconductor material provided on the surface of the heating susceptor (4) on which the substrate rests. Layer 8 is increased in thickness during the second etching step. <IMAGE>
Patent GB-2049822-A (GB)
Title: Fluid Delivery Device
IPC: F04F1/02
Filed: 1979-05-12
Abstract: A device for delivering pressurised gas or liquid comprises two compartments 31, 32 partially filled with liquid and a connection 33 between the two compartments through which can flow a working gas contained in the compartments above the liquid. The spaces for working gas over the liquid in the two compartments are alternately varied in volume out of phase with each other by movement of the liquid so as to cause a flow of working gas through the connection 33. The temperatures of the liquid in the two compartments are controlled at different values, so that gas which transfers from one compartment to another is changed in temperature. By bleeding of gas or liquid from each compartment when the air in that compartment has increased in pressure due to being heated useful work can be obtained. Make-up gas or liquid is admitted to each compartment when pressure in the latter has decreased. Filaments and/or fins within the compartments may assist in heat exchange. <IMAGE>
Patent GB-2024676-A (GB)
Title: Horizontal casting process for the continuous production of billets, slabs to be rolled and strips and apparatus for carrying out the process
IPC: B22D11/04
Filed: 1979-06-07
Abstract: Apparatus for the horizontal continuous casting of metals comprises a vessel (2) having an inlet chamber (4) to receive (1) molten metal from a furnace and an outlet chamber (5) which communicates (5', 9) with one or more moulds. The two chambers (4, 5) are connected by channels (6) in which the molten metal is heated by an inductive heater (10), the heated metal flowing directly to the mould(s) in a substantially horizontal direction. The induction forces may assist movement of the metal towards the mould(s). <IMAGE>
Patent GB-2027902-A (GB)
Title: Measuring wearing time of a prosthesis or orthosis
IPC: A61F2/72
Filed: 1979-06-27
Abstract: The invention concerns a biothermal chromometer for use with prosthetic or orthotic devices to record automatically the time the prosthesis or orthosis is worn. The chromometer comprises a thermo-couple 10 and an elapsed time recorder 11 arranged in a closed circuit. The hot conjunction of the thermo-couple is adapted to sense body tissue temperature (eg by being built into the prosthesis at the stamp/socket interface) while the cold junction is subject to ambient temperature. Thus when the prosthesis is brought into contact with the stump current flowing in the circuit will activate the elapsed time recorder 11. The circuitry ideally includes a thermistor 12 of negative characteristic to compensate for variations in ambient temperature sensed by the cold junction thus maintaining the current flowing at a substantially constant value. <IMAGE>
Patent GB-2054046-A (GB)
Title: Cooling turbine rotors
IPC: F01D5/08
Filed: 1979-07-12
Abstract: A cooling fluid feed structure of a gas turbine engine comprises a stationary annular nozzle structure (28, 29, 30) arranged to direct cooling fluid to an entry passage (39) on the adjacent turbine rotor (16, 17). The nozzle structure comprises boundary defining sheet members (28, 29) and an annular corrugated strip (30) fastened thereto, the side portions of the corrugations being angled to the axis of the structure to impart a required degree of swirl to the cooling fluid. <IMAGE>
Patent GB-2029838-A (GB)
Title: Pigment Preparations for Plastics
IPC: C08J3/22
Filed: 1979-07-27
Abstract: A colouring agent preparation for colouring plastics materials, consists of colouring agents and a carrier material, which is a metal soap, hard paraffin or polyethylene wax. Antistatic agents, antioxidants and blowing agents may be incorporated in the preparation.
Patent GB-2055702-A (GB)
Title: Container with writing surface
IPC: G11B23/023
Filed: 1979-08-01
Abstract: A videotape cassette box 1 includes a pad 2 which allows information about programmes recorded on the tape to be written on the box. The pad includes an erasing arrangement of, e.g. the "magic slate" kind by which the pad can be wiped clean partially or completely when the tape is re-recorded so as to allow the written information to be updated. <IMAGE>
Patent GB-2031550-A (GB)
Title: Injection advance controller for diesel engines
IPC: F16H48/00
Filed: 1979-08-20
Abstract: A fuel injection system including cam-actuated unit injectors (10) for a diesel engine is provided with means for adjusting the timing of injection according to engine operating conditions. The timing means includes a differential drive transmitting device (20) for coupling the camshaft (14) to the engine crankshaft (16). A servo (26) controls the position of the differential or control input of the differential device (20) to shift the phase of the camshaft (14) relative to the crankshaft (16) according to a control signal to obtain the desired advance or retardation of the initiation of injection. <IMAGE>
Patent GB-2044839-A (GB)
Title: Door operating arrangement
IPC: E05F3/10
Filed: 1980-01-31
Abstract: An arrangement for operating a door includes a power cylinder 36 connectible to a door (not shown) for controlling its movements. A control means (not shown) controls the driving motor 7 operating a pressure pump 5 and thereby to actuate the power cylinder 36 of a door closer unit 1 of the kind having a main cylinder housing a first piston member 12 moving in accordance with the movements of the door and thereby pumping pressure medium from a first chamber I to another chamber II through a first flow duct 16 interconnecting the chambers I and II. The door closer unit 1 is provided with a spring member 11 urging the door to closed position and with a throttling means 18 for damping the closing movement of the door. The chambers I and II, the first flow duct 16 and the pump 5 are parts of a closed pressure medium system, in which the chamber II is connected to the suction side of the pump and the chamber I to the pressure side of the pump. Valve means 17 prevents direct pressure medium flow between the two chambers and for leading the pressure medium to pass through the pump 5 so as to be pumped from one of the chambers to the other in a direction giving the door an opening movement. The control means for the motor 7 is able to disconnect the door closer unit 1 from the influence of the pump 5 and leave it free to work as a normal door closer. <IMAGE>
Patent GB-2070055-A (GB)
Title: Forging a Ti-base Alloy
IPC: C22F1/18
Filed: 1980-02-14
Abstract: A method of forging a titanium- based alloy having a first metallurgical state (e.g. the a+b state) in which the alloy retains relatively larger amounts of strain energy in its grains after forging, and a second metallurgical state (e.g. the b state) in which the alloy is capable of relieving itself of at least some of its locked-in strain energy by recrystallisation. In the method three or more forging cycles are carried out, each cycle comprising one forging step with the workpiece in the first state followed by a second step (which may be a forging or a heat treatment step) with the workpiece in the second state. In this way in each cycle, work is put into the grains in the first step and causes recrystallisation in the second step which leads to grain refinement, repeating the cycles allow best use of the energy put in.
Patent GB-2071486-A (GB)
Title: Vehicle seat slides
IPC: B60N2/06
Filed: 1980-02-22
Abstract: The invention provides a vehicle seat slide assembly comprising a first slide member 24 intended to be fixed to the floor of a vehicle, and a second seat slide member 25 intended to be fixed to the bottom of the seat, the first and second slide members being slidably engaged with one another and curved so that their relative sliding takes place around a portion of a common pitch circle 35. Preferably the first and second slide members are provided with overlapping flanges 29, 32 forming bases with a plurality of ball bearings 33 therebetween to prevent separation of the slide members in a transverse direction while allowing relative sliding movement, and the first and second slide members are formed with respective surfaces 27, 30 which are opposed and parallel with two or more rollers 34 therebetween to prevent inward transverse movement between the slide members. <IMAGE>
Patent GB-2046829-A (GB)
Title: Slide fastener stringer and method and apparatus for its manufacture
IPC: A44B19/40
Filed: 1980-03-03
Abstract: The stringer 1 comprises a textile support tape 5 carrying a series of U-shaped thermoplastics fastener members 2, the limbs of each member 2 being welded at least partially to each other through apertures positioned between an edge bead 3 and a parallel longitudinal bead 4, and also being at least partially welded to elements 11 of the support tape 5 disposed between these apertures. The fastener members are initially formed as a ladder-like structure comprising straight fastener members 2 with opposite ends interconnected either by permanent textile support strands or a removable support strip. This structure is bent into U- shape by apparatus comprising a blade held in a forming die in a driven forming wheel. Welding studs between the limbs of the fastener members are heated to welding temperature through contact with the heated blade and are pressed, by the combined action of the blade and forming die, against the opposite sides of the support tape 5. <IMAGE>
Patent GB-2049181-A (GB)
Title: Detection of acidic solvent decomposition products
IPC: G01N17/00
Filed: 1980-03-27
Abstract: A method for detecting an unacceptable degree of acid-forming decomposition of a halogenated hydrocarbon solvent, for example in a metal-degreasing or a solvent-drying bath, which comprises contacting vapour emitted by the solvent, in the presence of water, with a fuse made of a material which is soluble in the acid decomposition product(s) of the solvent, and detecting rupture of the fuse. In a specific embodiment a zinc fuse is used for detecting an unacceptable degree of decomposition in chlorinated hydrocarbon solvents.
Patent GB-2048235-A (GB)
Title: Improved Joint Cement
IPC: C04B28/14
Filed: 1980-04-23
Abstract: A joint cement for filling gaps or joints in building structures comprises by weight from 35 to 95% gypsum plaster haying a particle size less than 150  mu m, from 0 to 64% inert mineral filler having a particle size less than 100  mu m, and from 1 to 10% organic polymeric binder. The preferred plaster is hemihydrate plaster and inert fillers may be calcium carbonate talc or clay. The polymeric binder may be polyvinyl alcohol or starch.
Patent GB-2078663-A (GB)
Title: Loading and unloading platform for a road trailer
IPC: B65G69/22
Filed: 1980-06-24
Abstract: A "roll-loader" mobile crane can move under its own power backwards and forwards between a road trailer T and a fixed platform, with its wheels W running along rails R on the trailer and similar rails 10 on the platform. The rails 10 are supported by a carriage 11 so that they can move up and down in unison about a pivot shaft 27 and can tilt sideways about a pivot shaft 25, and the carriage 11 can in turn move horizontally sideways relative to a stationary plinth 12. When the road trailer T is reversed up to the platform, chamfered beams 29 attached to the rails 10 engage in chamfered recesses in an attachment 30 on the rear of the trailer and thereby causing the rails 10 to move about the pivot shafts 25, 27 and the carriage 11 to move along the plinth 12 as necessary to align the rails 10 with the rails R. <IMAGE>
Patent GB-2080437-A (GB)
Title: Oscillating liquid column wave energy converter
IPC: F03B13/24
Filed: 1980-07-14
Abstract: A converter comprises vertical sealed tube 10 open at its bottom in which upward and downward movement of a master column 11 of liquid takes place under periodic hydrostatic pressure variations. A second, U-shaped, tube 15 communicates with a turbine 16 and contains a second column of liquid 17 having a higher natural frequency of oscillation than the master column 11 and similar to that of the wave frequency. As the column 17 rises, it closes a port 14 to retain the master column 11 stationary, but the port 14 re-opens at column 17 falls. By this means the column 17 maintains the oscillations of master column 11 latched in phase with the wave motion by periodic inhibition of its movement towards one end of its movement toward one end of its oscillations and the master column can be made much shorter than otherwise would be the case. <IMAGE>
Patent GB-2058545-A (GB)
Title: Improvements in and relating to shoe inserts
IPC: A43B17/00
Filed: 1980-07-21
Abstract: An insert for use in shoes without toe caps to prevent the forward creep of the foot within the shoe comprises an insole which may be a complete insole or a forepart insole (10) and formed from an upper layer of soft pliable material and a lower layer of non-slip cushion material. Sandwiched between the two layers is a wedge or strip of resiliently deformable material such as rubber (26) which produces a ridge in at least the upper surface of the insert. The position of the ridge is chosen so as to conform to the junction between the metatarsals and the toe bones which is defined on the underside of the foot by a furrow which fits over the ridge. <IMAGE>
Patent GB-2063959-A (GB)
Title: A collapsible framework component
IPC: B64G1/64
Filed: 1980-11-25
Abstract: A collapsible framework component comprises longitudinal struts 1 interconnected by foldable transverse struts 2. As shown struts 1 and 2 are interconnected by hinges 3, and struts 2 also have central hinges 4. Alternatively hinges 3 and 4 may be replaced by flexible joints. The transverse struts may be locked in their unfolded position, and diagonal struts may also be provided. As shown the components is of triangular cross- section, but it may be flat, or of rectangular or hexagonal shape. The sides of the component may be provided with foldable or rollable covers. The collapsible component may be used in a space station, its collapsibility enabling it to occupy a small volume during transport.   <IMAGE>
Patent GB-2089417-A (GB)
Title: Lock keys
IPC: E05B19/08
Filed: 1980-12-12
Abstract: A lock of the type having a double bit key wherein the shape of the keyhole, and that of the corresponding key comprise a central circular core (2), a first bit (3) extending tangentially to the core, and a second bit (4) also extending tangentially to the core and which is directed generally away from the first bit (3), the two bits (3, 4) subtending an angle of other than 180 DEG  with one another. <IMAGE>
Patent GB-2070201-A (GB)
Title: Flow divider
IPC: F15B13/02
Filed: 1981-01-21
Abstract: The invention relates to a flow divider of the type comprising an inlet 11 for a primary flow, two outlets 21, 22 for secondary flows, two chambers 8, 9, two first conduits 19, 20 connecting said chambers to the inlet, a floating piston valve 3 with two faces situated opposite the edges separating the inner chambers from the outlets, and defining a first restriction between the said faces and edges, and two second restrictions situated on the said first conduits in which each second restriction is made pressure responsive so that the flow cross- section varies in the same direction as, and in correspondence with a variation of the said primary flow. To this end, a spring pressed slide 13 having a set of apertures 52 coacting with a flow groove A and a set of apertures 54 coacting with a flow groove 18 is provided. <IMAGE>
Patent GB-2073159-A (GB)
Title: Closures for Containers
IPC: B65D41/34
Filed: 1981-03-19
Abstract: A container having an externally screw-threaded neck and an insert 33 disposed in the neck with a top annular flange 34 thereof resting on the top of the neck has a two-part closure fitted to it. The inner member 10 has an annular top 11 which engages over the flange 34 of the insert and has a skirt 12 which is rolled into conformity with the screw- thread on the neck and which has its lower end portion 12a deformed into engagement with a downwardly-  facing shoulder 32 on the nack of the container. The outer member 18 has a top 19 with a sealing gasket 26 on its underside and a depending skirt 20 with an annular lower end portion which is connected to the main portion of the skirt by a plurality of frangible bridge portions. The outer member fits over the inner member and has its skirt rolled into conformity with the screw-thread on the inner member, and has its lower end portion deformed so as, through the lower end portion of the inner member, to lie against the shoulder 32. <IMAGE>
Patent GB-2095353-A (GB)
Title: Rotary pipe joint
IPC: F16L27/08
Filed: 1981-03-25
Abstract: A rotary joint utilizes a single bearing 30 interposed between a static housing 10 and a rotatable sleeve 38 wherein a self-aligning spring loaded seal 62 is utilized to maintain effective sealing with an element 58 on the sleeve 38 in the event of misalignment. A conduit adapter 50 may be affixed to the sleeve 38 in such a manner to mount and locate the bearing on the sleeve. <IMAGE>
Patent GB-2075965-A (GB)
Title: Nitride bonded refractory shapes and their production
IPC: C04B35/65
Filed: 1981-05-06
Abstract: A method of making nitride bonded refractory shapes comprises forming a particulate mix which comprises, by weight, from 1 to 25% of aluminium, from 1 to 25% of substantially pure silica, and optionally from 1 to 5% of crude clay, and the balance, a refractory brickmaking size-graded aggregate, pressing the mix into refractory shapes, and burning the shapes at an elevated temperature in a nitriding atmosphere for a time sufficient to form the nitride bond. The refractory aggregate may be silicon carbide, mullite, magnesite, fireclay, alumina or spinel.
Patent GB-2099256-A (GB)
Title: Bistatic radar
IPC: G01S13/00
Filed: 1981-05-26
Abstract: A radar comprises a transmitting station Tx and a spaced receiving station Rx, each station having a steerable antenna capable of tracking through a limited angle in azimuth. The antennae are controlled such that on one half of a sweep the beams (A and B) sweep a volume of space, whilst on the other half of the sweep the beams (A' and B') sweep a different volume of space at a different range from the receiver (Rx). <IMAGE>
Patent GB-2108241-A (GB)
Title: Check valve
Inventor: GRISWOLD DAVID EDWARD
IPC: F16K15/02
Filed: 1981-10-28
Abstract: A check valve, 13, for use in a backflow prevention apparatus comprises an inlet passage 17, terminating in a stationary valve seat 25, a stationary barrel 21 positioned coaxially of said valve seat, a valve poppet 28 guided for movement in said barrel toward and away from said valve seat, a spring 33 acting to move said valve poppet into sealing contact with said valve seat, said spring acting to create a pressure drop through the check valve assembly when said valve poppet is initially moved away from said seat by fluid pressure in said inlet passage, means co-operating with said barrel and said valve poppet to define three chambers; 46, 53, and 26, an ejector nozzle 44 having an intake 45 receiving flow from the first chamber 46 when said valve poppet has first separated from said valve seat, a discharge passage 51 from said ejector nozzle communicating with said third chamber, 26, and a space 52 between said intake and said discharge passage connected to said second chamber 53 so that relatively rapid flow from said ejector nozzle causes a reduction in fluid pressure in said second chamber to oppose the action of the spring 33 and thereby reduce the pressure drop across the check valve assembly. <IMAGE>
Patent GB-2110892-A (GB)
Title: A control system for a brushless electric motor
Inventor: NICOL T
IPC: H02P6/14
Filed: 1981-12-01
Abstract: A control system for a brushless three phase electric motor has a power control section (A), an oscillator section (O), a divide-by-six circuit section (B), and an electronic switching section (C) for switching the current in the phases of the motor. The switching section (C) includes three identical sets of circuits, each circuit having a pair of power transistors (e.g. TR6, TR7) whose emitter-collector paths are connected in series across a D.C. supply. Also connected across the D.C. supply is a circuit including transistors (e.g. TR4, TR5) for controlling the conduction of the power transistors. The transistors (e.g. TR4, TR5) are controlled by the divide-by-six circuit section (B), such that a cyclic flow of current will occur in the associated power transistors (e.g. TR6, TR7). Thus all three pairs of power transistors (TR6, TR7, TR10, TR11, TR14, TR15) are sequentially controlled from the divide-by-six circuit section (B) such that the current in the windings of the three phase motor is sequentially switched. <IMAGE>
Patent GB-2096570-A (GB)
Title: Bag and bag making apparatus
IPC: B65D81/32
Filed: 1982-03-10
Abstract: A mixing bag (4) Figure 6 comprises a mixing chamber in the form of a compartment (45), and a pocket (42) in the bag having a mouth opening (44) so that it can be filled with liquid (72) to a predetermined volume. The pocket is easily ruptured when the mouth is closed to discharge the volume of liquid into the compartment for mixing with a material (70) in the compartment. During mixing the walls (46, 47) of the pocket abut to serve as a non-return valve in the bag. Apparatus Figure 1 for making the bags includes web bonding means (10), feeding means (11) to feed film of waterproof thermoplastics material from rolls (12, 13 and 14) to the bonding means, via web splitting means (15) and a separator (16), and take up means (17) to wind bags onto rolls (18). The separator (16) enables mouths to be made between inner walls of the bags whilst the inner walls are seamed to adjacent outer walls. The apparatus forms the bags with open bottoms for insertion of the material for mixing and subsequent closure. <IMAGE>